The Parts Kit,air Drier, cataloged under National Stock Number 4440-01-284-6157, is classified within Federal Supply Class 4440 (Driers, Dehydrators, and Anhydrators) of the Furnace, Steam, Drying, Nuclear Reactors group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4440-01-284-6157 |
| Item Name | Parts Kit,air Drier |
| FSC / FSG | 4440 / 44 — Driers, Dehydrators, and Anhydrators |
| Status | ACTIVE |
| Component Quantity | 11 |
| End Item Source | 23185 |
| End Item Name | AIR DRYER |
| Nonsupply Items and Quantities | 55DE148K HEAD SCREEN 4,55DE145F SPRING ASSEMBLY 4,55DE138S SAFETY SHIELD 2,55DE116A DRYING MEDIA 1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 055DE12S | 5/9 Secondary reference Deltech Engineering Lp |
| 55DE12S | 3/9 Design control — primary reference Deltech Engineering Lp |
NSN 4440-01-284-6157 is a Parts Kit,air Drier, classified under FSC 4440, Driers, Dehydrators, and Anhydrators. Status: active.
Key specifications for 4440-01-284-6157: Component Quantity: 11; End Item Source: 23185; End Item Name: AIR DRYER; Nonsupply Items and Quantities: 55DE148K HEAD SCREEN 4,55DE145F SPRING ASSEMBLY 4,55DE138S SAFETY SHIELD 2,55DE116A DRYING MEDIA 1. 4 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.